Raspberry Salad

2 pkg. red raspberries
½ cup sugar
1 lg. pkg. raspberry jello
1 lg. can crushed pineapple
2 cups boiling water
1 pint sour cream

Dissolve jello in water. Add sugar, crushed pineapple and raspberries. Pour half of jello mixture into a 9x13 pan. Chill until set. Spread sour cream over the set up jello. Pour remaining half of jello on top of sour cream and chill until set.